#define _CRT_SECURE_NO_WARNINGS 1
#include<iostream>
#include<string>

using namespace std;

typedef struct data_ {
	int a[10];
} data_t;

typedef struct descriptor_ {
	data_t* ptr;
	char data[0];
} desc_t;

int main() {
	cout << sizeof(desc_t) << endl;
	return 0;
}